2. In their summary, they state that this ape's vocal organ is not capable of producing
delicately modulated or controlled sounds.
在他们的摘要中,他们说这类猿类的发声器官没法产生精美地调整及控制的声音。
3. Mom still does not know that many years ago I was watching from the other room as she
delicately removed the chain from the tree, one link at a time.
妈妈至今都不知道,多年前当她小心翼翼地把纸链从树上一环一环取下来时,我正在另一个房间里看着她所做的一切。